Win32 API 日本語リファレンス
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GetMemoryBlockCacheLimit

関数
メモリブロックキャッシュの上限を取得する。
DLLVmSavedStateDumpProvider.dll呼出規約winapi

シグネチャ

// VmSavedStateDumpProvider.dll
#include <windows.h>

HRESULT GetMemoryBlockCacheLimit(
    void* vmSavedStateDumpHandle,
    ULONGLONG* memoryBlockCacheLimit
);

パラメーター

名前方向説明
vmSavedStateDumpHandlevoid*inout対象の保存状態ダンプハンドルを指定する。
memoryBlockCacheLimitULONGLONG*out現在のメモリブロックキャッシュ上限バイト数を受け取る出力ポインタ。

戻り値の型: HRESULT

各言語での呼び出し定義

// VmSavedStateDumpProvider.dll
#include <windows.h>

HRESULT GetMemoryBlockCacheLimit(
    void* vmSavedStateDumpHandle,
    ULONGLONG* memoryBlockCacheLimit
);
[DllImport("VmSavedStateDumpProvider.dll", ExactSpelling = true)]
static extern int GetMemoryBlockCacheLimit(
    IntPtr vmSavedStateDumpHandle,   // void* in/out
    out ulong memoryBlockCacheLimit   // ULONGLONG* out
);
<DllImport("VmSavedStateDumpProvider.dll", ExactSpelling:=True)>
Public Shared Function GetMemoryBlockCacheLimit(
    vmSavedStateDumpHandle As IntPtr,   ' void* in/out
    <Out> ByRef memoryBlockCacheLimit As ULong   ' ULONGLONG* out
) As Integer
End Function
' vmSavedStateDumpHandle : void* in/out
' memoryBlockCacheLimit : ULONGLONG* out
Declare PtrSafe Function GetMemoryBlockCacheLimit Lib "vmsavedstatedumpprovider" ( _
    ByVal vmSavedStateDumpHandle As LongPtr, _
    ByRef memoryBlockCacheLimit As LongLong) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。
import ctypes
from ctypes import wintypes

GetMemoryBlockCacheLimit = ctypes.windll.vmsavedstatedumpprovider.GetMemoryBlockCacheLimit
GetMemoryBlockCacheLimit.restype = ctypes.c_int
GetMemoryBlockCacheLimit.argtypes = [
    ctypes.POINTER(None),  # vmSavedStateDumpHandle : void* in/out
    ctypes.POINTER(ctypes.c_ulonglong),  # memoryBlockCacheLimit : ULONGLONG* out
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('VmSavedStateDumpProvider.dll')
GetMemoryBlockCacheLimit = Fiddle::Function.new(
  lib['GetMemoryBlockCacheLimit'],
  [
    Fiddle::TYPE_VOIDP,  # vmSavedStateDumpHandle : void* in/out
    Fiddle::TYPE_VOIDP,  # memoryBlockCacheLimit : ULONGLONG* out
  ],
  Fiddle::TYPE_INT)
#[link(name = "vmsavedstatedumpprovider")]
extern "system" {
    fn GetMemoryBlockCacheLimit(
        vmSavedStateDumpHandle: *mut (),  // void* in/out
        memoryBlockCacheLimit: *mut u64  // ULONGLONG* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("VmSavedStateDumpProvider.dll")]
public static extern int GetMemoryBlockCacheLimit(IntPtr vmSavedStateDumpHandle, out ulong memoryBlockCacheLimit);
"@
$api = Add-Type -MemberDefinition $sig -Name 'VmSavedStateDumpProvider_GetMemoryBlockCacheLimit' -Namespace Win32 -PassThru
# $api::GetMemoryBlockCacheLimit(vmSavedStateDumpHandle, memoryBlockCacheLimit)
#uselib "VmSavedStateDumpProvider.dll"
#func global GetMemoryBlockCacheLimit "GetMemoryBlockCacheLimit" sptr, sptr
; GetMemoryBlockCacheLimit vmSavedStateDumpHandle, varptr(memoryBlockCacheLimit)   ; 戻り値は stat
; vmSavedStateDumpHandle : void* in/out -> "sptr"
; memoryBlockCacheLimit : ULONGLONG* out -> "sptr"
; ※HSP3.7は #func のため戻り値はシステム変数 stat に格納されます。
出力引数:
#uselib "VmSavedStateDumpProvider.dll"
#cfunc global GetMemoryBlockCacheLimit "GetMemoryBlockCacheLimit" sptr, var
; res = GetMemoryBlockCacheLimit(vmSavedStateDumpHandle, memoryBlockCacheLimit)
; vmSavedStateDumpHandle : void* in/out -> "sptr"
; memoryBlockCacheLimit : ULONGLONG* out -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。
出力引数:
; HRESULT GetMemoryBlockCacheLimit(void* vmSavedStateDumpHandle, ULONGLONG* memoryBlockCacheLimit)
#uselib "VmSavedStateDumpProvider.dll"
#cfunc global GetMemoryBlockCacheLimit "GetMemoryBlockCacheLimit" intptr, var
; res = GetMemoryBlockCacheLimit(vmSavedStateDumpHandle, memoryBlockCacheLimit)
; vmSavedStateDumpHandle : void* in/out -> "intptr"
; memoryBlockCacheLimit : ULONGLONG* out -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。
import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	vmsavedstatedumpprovider = windows.NewLazySystemDLL("VmSavedStateDumpProvider.dll")
	procGetMemoryBlockCacheLimit = vmsavedstatedumpprovider.NewProc("GetMemoryBlockCacheLimit")
)

// vmSavedStateDumpHandle (void* in/out), memoryBlockCacheLimit (ULONGLONG* out)
r1, _, err := procGetMemoryBlockCacheLimit.Call(
	uintptr(vmSavedStateDumpHandle),
	uintptr(memoryBlockCacheLimit),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT
function GetMemoryBlockCacheLimit(
  vmSavedStateDumpHandle: Pointer;   // void* in/out
  memoryBlockCacheLimit: Pointer   // ULONGLONG* out
): Integer; stdcall;
  external 'VmSavedStateDumpProvider.dll' name 'GetMemoryBlockCacheLimit';
result := DllCall("VmSavedStateDumpProvider\GetMemoryBlockCacheLimit"
    , "Ptr", vmSavedStateDumpHandle   ; void* in/out
    , "Ptr", memoryBlockCacheLimit   ; ULONGLONG* out
    , "Int")   ; return: HRESULT
●GetMemoryBlockCacheLimit(vmSavedStateDumpHandle, memoryBlockCacheLimit) = DLL("VmSavedStateDumpProvider.dll", "int GetMemoryBlockCacheLimit(void*, void*)")
# 呼び出し: GetMemoryBlockCacheLimit(vmSavedStateDumpHandle, memoryBlockCacheLimit)
# vmSavedStateDumpHandle : void* in/out -> "void*"
# memoryBlockCacheLimit : ULONGLONG* out -> "void*"
# なでしこ1は32bit・ANSI(Shift_JIS)。文字列=char*(ANSI)、ポインタ/ハンドル=void*(4byte)。
const std = @import("std");

extern "vmsavedstatedumpprovider" fn GetMemoryBlockCacheLimit(
    vmSavedStateDumpHandle: ?*anyopaque, // void* in/out
    memoryBlockCacheLimit: [*c]u64 // ULONGLONG* out
) callconv(std.os.windows.WINAPI) i32;
proc GetMemoryBlockCacheLimit(
    vmSavedStateDumpHandle: pointer,  # void* in/out
    memoryBlockCacheLimit: ptr uint64  # ULONGLONG* out
): int32 {.importc: "GetMemoryBlockCacheLimit", stdcall, dynlib: "VmSavedStateDumpProvider.dll".}
pragma(lib, "vmsavedstatedumpprovider");
extern(Windows)
int GetMemoryBlockCacheLimit(
    void* vmSavedStateDumpHandle,   // void* in/out
    ulong* memoryBlockCacheLimit   // ULONGLONG* out
);
ccall((:GetMemoryBlockCacheLimit, "VmSavedStateDumpProvider.dll"), stdcall, Int32,
      (Ptr{Cvoid}, Ptr{UInt64}),
      vmSavedStateDumpHandle, memoryBlockCacheLimit)
# vmSavedStateDumpHandle : void* in/out -> Ptr{Cvoid}
# memoryBlockCacheLimit : ULONGLONG* out -> Ptr{UInt64}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。
local ffi = require("ffi")
ffi.cdef[[
int32_t GetMemoryBlockCacheLimit(
    void* vmSavedStateDumpHandle,
    uint64_t* memoryBlockCacheLimit);
]]
local vmsavedstatedumpprovider = ffi.load("vmsavedstatedumpprovider")
-- vmsavedstatedumpprovider.GetMemoryBlockCacheLimit(vmSavedStateDumpHandle, memoryBlockCacheLimit)
-- vmSavedStateDumpHandle : void* in/out
-- memoryBlockCacheLimit : ULONGLONG* out
-- 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
const koffi = require('koffi');
const lib = koffi.load('VmSavedStateDumpProvider.dll');
const GetMemoryBlockCacheLimit = lib.func('__stdcall', 'GetMemoryBlockCacheLimit', 'int32_t', ['void *', 'uint64_t *']);
// GetMemoryBlockCacheLimit(vmSavedStateDumpHandle, memoryBlockCacheLimit)
// vmSavedStateDumpHandle : void* in/out -> 'void *'
// memoryBlockCacheLimit : ULONGLONG* out -> 'uint64_t *'
// 出力ポインタは koffi.out(...) で包む。構造体は koffi.struct で定義。
const lib = Deno.dlopen("VmSavedStateDumpProvider.dll", {
  GetMemoryBlockCacheLimit: { parameters: ["pointer", "pointer"], result: "i32" },
});
// lib.symbols.GetMemoryBlockCacheLimit(vmSavedStateDumpHandle, memoryBlockCacheLimit)
// vmSavedStateDumpHandle : void* in/out -> "pointer"
// memoryBlockCacheLimit : ULONGLONG* out -> "pointer"
// 文字列引数は "buffer"(NUL 終端のバイト列を Uint8Array で渡す)。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。
<?php
$ffi = FFI::cdef(<<<C
int32_t GetMemoryBlockCacheLimit(
    void* vmSavedStateDumpHandle,
    uint64_t* memoryBlockCacheLimit);
C, "VmSavedStateDumpProvider.dll");
// $ffi->GetMemoryBlockCacheLimit(vmSavedStateDumpHandle, memoryBlockCacheLimit);
// vmSavedStateDumpHandle : void* in/out
// memoryBlockCacheLimit : ULONGLONG* out
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。
import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;

public interface Vmsavedstatedumpprovider extends StdCallLibrary {
    Vmsavedstatedumpprovider INSTANCE = Native.load("vmsavedstatedumpprovider", Vmsavedstatedumpprovider.class);
    int GetMemoryBlockCacheLimit(
        Pointer vmSavedStateDumpHandle,   // void* in/out
        LongByReference memoryBlockCacheLimit   // ULONGLONG* out
    );
}
@[Link("vmsavedstatedumpprovider")]
lib LibVmSavedStateDumpProvider
  fun GetMemoryBlockCacheLimit = GetMemoryBlockCacheLimit(
    vmSavedStateDumpHandle : Void*,   # void* in/out
    memoryBlockCacheLimit : UInt64*   # ULONGLONG* out
  ) : Int32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。
import 'dart:ffi';
import 'package:ffi/ffi.dart';

typedef GetMemoryBlockCacheLimitNative = Int32 Function(Pointer<Void>, Pointer<Uint64>);
typedef GetMemoryBlockCacheLimitDart = int Function(Pointer<Void>, Pointer<Uint64>);
final GetMemoryBlockCacheLimit = DynamicLibrary.open('VmSavedStateDumpProvider.dll')
    .lookupFunction<GetMemoryBlockCacheLimitNative, GetMemoryBlockCacheLimitDart>('GetMemoryBlockCacheLimit');
// vmSavedStateDumpHandle : void* in/out -> Pointer<Void>
// memoryBlockCacheLimit : ULONGLONG* out -> Pointer<Uint64>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。
{$mode objfpc}{$H+}
function GetMemoryBlockCacheLimit(
  vmSavedStateDumpHandle: Pointer;   // void* in/out
  memoryBlockCacheLimit: Pointer   // ULONGLONG* out
): Integer; stdcall;
  external 'VmSavedStateDumpProvider.dll' name 'GetMemoryBlockCacheLimit';
import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "GetMemoryBlockCacheLimit"
  c_GetMemoryBlockCacheLimit :: Ptr () -> Ptr Word64 -> IO Int32
-- vmSavedStateDumpHandle : void* in/out -> Ptr ()
-- memoryBlockCacheLimit : ULONGLONG* out -> Ptr Word64
-- 要 GHC(Windows)。stdcall は x64 では ccall として扱われる。ブロックする API は safe 呼び出し推奨。
open Ctypes
open Foreign

let getmemoryblockcachelimit =
  foreign "GetMemoryBlockCacheLimit"
    ((ptr void) @-> (ptr uint64_t) @-> returning int32_t)
(* vmSavedStateDumpHandle : void* in/out -> (ptr void) *)
(* memoryBlockCacheLimit : ULONGLONG* out -> (ptr uint64_t) *)
(* foreign は cdecl 前提。x64 Windows では WINAPI と一致。構造体は ctypes structure を定義のこと。 *)
(cffi:define-foreign-library vmsavedstatedumpprovider (t "VmSavedStateDumpProvider.dll"))
(cffi:use-foreign-library vmsavedstatedumpprovider)

(cffi:defcfun ("GetMemoryBlockCacheLimit" get-memory-block-cache-limit :convention :stdcall) :int32
  (vm-saved-state-dump-handle :pointer)   ; void* in/out
  (memory-block-cache-limit :pointer))   ; ULONGLONG* out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。
use Win32::API;
my $GetMemoryBlockCacheLimit = Win32::API::More->new('VmSavedStateDumpProvider',
    'int GetMemoryBlockCacheLimit(LPVOID vmSavedStateDumpHandle, LPVOID memoryBlockCacheLimit)');
# my $ret = $GetMemoryBlockCacheLimit->Call($vmSavedStateDumpHandle, $memoryBlockCacheLimit);
# vmSavedStateDumpHandle : void* in/out -> LPVOID
# memoryBlockCacheLimit : ULONGLONG* out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。